SIEMENS ET 134-22 Low Temperature Detection Thermostat Instructions
Technical Instructions
Document No. 155-016P25
ET 134-22
April 12, 2018
Powers Controls
Low Temperature Detection
Thermostat
Description
Features
The electric Low Temperature Detection Cut-out and Alarm Thermostat is a remote bulb
instrument which opens an electrical circuit to stop the supply fan motor and/or closes
an outside air damper when the temperature at the sensing element falls below the
setting of the instrument. Simultaneously, it closes a circuit to indicate an alarm
condition.
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•
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Manual reset
Easy temperature setting with adjusting screw on top of enclosure
Mounting bracket and two screws included
Main and separate reverse-acting auxiliary contacts
Product Number
134-1504
Warning/Caution Notations
Personal injury or loss of life may occur if a
procedure is not performed as specified.
WARNING
CAUTION
Equipment damage or loss of data may occur if you
do not follow a procedure as specified.
Application
This instrument should only be used on those applications where the ambient
temperature to which the instrument case and bellows are exposed remains above
the temperature setting of the thermostat. This thermostat should be used in areas
protected from the weather.
Siemens Industry, Inc.
| General | Details |
|---|---|
| Name | SIEMENS ET 134-22 Low Temperature Detection Thermostat Instructions |
| Make | SIEMENS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.1 MB |
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Siemens ET 134-22 Detection Manual: Questions and Answers
What do the LINE-M2 and LINE-M1 terminals do on a Siemens ET 134-22 Detection thermostat?
LINE-M2 is the main contact that opens when temperature drops. LINE-M1 is the auxiliary contact that closes simultaneously to signal an alarm. Instructions, p. 2
How do I set up this thermostat before using it for the first time?
Manually press down and release the reset button to restore normal operating state, especially if the unit was exposed to freezing temperatures during shipping. Instructions, p. 2
What size conduit opening does Siemens ET have for wiring?
1/2-inch conduit opening in the bottom of the enclosure. Instructions, p. 5
What do the terminal screws on Siemens ET 134-22 Detection need to be, and why?
#8-32 × 1/4-inch binder head screws. Longer screws interfere with the switch mechanism and cause damage. Instructions, p. 5
Where is the temperature setpoint adjustment on Siemens ET located?
On top of the enclosure. Instructions, p. 6
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